The union of two D-spaces need not be D

DOI10.4064/fm220-2-3zbMath1264.54042OpenAlexW2065610826MaRDI QIDQ4910508

Dániel T. Soukup, Paul J. Szeptycki

Publication date: 18 March 2013

Published in: Fundamenta Mathematicae (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4064/fm220-2-3

zbMATH Keywords

Lindelöf spaces\(D\)-spaces

Mathematics Subject Classification ID

Noncompact covering properties (paracompact, Lindelöf, etc.) (54D20) Counterexamples in general topology (54G20) Consistency and independence results in general topology (54A35)

Related Items (3)

On (monotonically) metacompact subspaces of GO-spaces and related conclusions ⋮ The \(D\)-property of finite unions of \(t\)-metrizable spaces and certain function spaces ⋮ A 0-dimensional, Lindelöf space that is not strongly D

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